Lisa Troubleshooting and Repair

CPU Error 40 during POST (MMU issue)

Started by ried

Replies: 1
Views: 41,599

March 16, 2025, 02:46:54 PM
by sigma7

Track zero sensor of the ST-506 in a Profile

Started by pintoguy

Replies: 1
Views: 11,578

November 26, 2025, 12:26:04 PM
by pintoguy

Error 82, can someone explain it in layman's terms

Started by brgl1983_00

Replies: 1
Views: 51,577

October 08, 2021, 03:08:30 AM
by patrick

Lisa 2 video issue - vertically duplicated image with diagonal lines

Started by snua12

Replies: 1
Views: 49,387

July 08, 2025, 03:18:33 PM
by patrick

Installing 800k/1.44mb Apple floppy drive

Started by Zhinu

Replies: 1
Views: 1,544

June 26, 2026, 02:47:02 PM
by sigma7

Lisa Widget Drive Repair -- Errors 81, 82, 85 and one successful boot

Started by gbrady

Replies: 1
Views: 37,421

June 18, 2024, 04:49:34 PM
by patrick

Twiggy Analog Board Rev F1 Schematic

Started by sigma7

Replies: 0
Views: 1,511

June 21, 2026, 03:46:34 PM
by sigma7

Track 0 sensor on hard drive mechanisms

Started by stepleton

Replies: 0
Views: 66,510

December 30, 2021, 11:14:24 AM
by stepleton

CPU board versions and revisions?

Started by bmwcyclist

Replies: 0
Views: 60,170

March 23, 2025, 06:45:06 PM
by bmwcyclist

Twiggy Springs

Started by sigma7

Replies: 0
Views: 20,170

September 28, 2025, 05:01:25 PM
by sigma7

Is there an easy way to get around lisa terminal licensing?

Started by bmwcyclist

Replies: 0
Views: 23

Today at 10:28:01 AM
by bmwcyclist

Restore info on CPU/IO/PSU list of caps and other parts needed.

Started by bmwcyclist

Replies: 0
Views: 33,313

March 04, 2025, 12:10:58 PM
by bmwcyclist